Submission #3835498

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Source Code Expand

#include <cstdio>

int n;

bool f(int mid, int flag) {
    int nn = n;
    for (int i = mid; i >= 1; i--) {
        if (nn >= i) {
            if (flag) {
                printf("%d\n", i);
            }
            nn -= i;
        }
        if (nn == 0) {
            return 1;
        }
    }
    return 0;
}

int main() {
    scanf("%d", &n);

    int lft = 0, rgt = n;
    int ans = 0;
    while (lft <= rgt) {
        int mid = (lft + rgt) / 2;

        if (f(mid, 0)) {
            ans = mid;
            rgt = mid - 1;
        }
        else {
            lft = mid + 1;
        }
    }

    f(ans, 1);

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:22:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^

Judge Result